abator | (noun) a person who abates a nuisance | - |
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abattoir | (noun) a building where animals are butchered | Synonyms: butchery, shambles, slaughterhouse |
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abbreviator | (noun) one who shortens or abridges or condenses a written work | Synonyms: abridger |
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abdicator | (noun) one who formally relinquishes an office or responsibility | - |
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abductor | (noun) a muscle that draws a body part away from the median line | Synonyms: abductor muscle |
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(noun) someone who unlawfully seizes and detains a victim (usually for ransom) | Synonyms: kidnaper, kidnapper, snatcher |
abettor | (noun) one who helps or encourages or incites another | Synonyms: abetter |
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abnegator | (noun) one who gives up or relinquishes or renounces something | - |
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abominator | (noun) one who hates or loathes | Synonyms: loather |
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abrogator | (noun) an authority or official empowered to abolish or annul or repeal | - |
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absolvitory | (adjective) providing absolution | Synonyms: exonerative, forgiving |
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abstractor | (noun) one who makes abstracts or summarizes information | Synonyms: abstracter |
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acanthocytosis | (noun) the presence of acanthocytes in the blood stream (as in abetalipoproteinemia) | - |
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accelerator | (noun) a valve that regulates the supply of fuel to the engine | Synonyms: throttle, throttle valve |
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(noun) a scientific instrument that increases the kinetic energy of charged particles | Synonyms: atom smasher, particle accelerator |
(noun) a pedal that controls the throttle valve | Synonyms: accelerator pedal, gas, gas pedal, gun, throttle |
(noun) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected | Synonyms: catalyst |
acceleratory | (adjective) tending to increase velocity | Synonyms: accelerative |
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accentor | (noun) small sparrow-like songbird of mountainous regions of Eurasia | - |
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acceptor | (noun) the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures | - |
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(noun) (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated | - |
acclivitous | (adjective) sloping upward | Synonyms: rising, uphill |
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accommodator | (noun) someone who performs a service or does a favor | Synonyms: obliger |
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accumulator | (noun) a voltaic battery that stores electric charge | Synonyms: storage battery |
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(noun) (computer science) a register that has a built-in adder that adds an input number to the contents of the register | Synonyms: accumulator register |
(noun) a person who is employed to collect payments (as for rent or taxes) | Synonyms: collector, gatherer |
accusatorial | (adjective) specifically indicating a form of prosecution in which one is publicly accused of and tried for a crime and in which the judge is not also the prosecutor | - |
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accusatory | (adjective) containing or expressing accusation | Synonyms: accusative, accusing, accusive |
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accustom | (verb) make psychologically or physically used (to something) | Synonyms: habituate |
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accustomed | (adjective) commonly used or practiced; usual | Synonyms: customary, habitual, wonted |
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acebutolol | (noun) an oral beta blocker (trade name Sectral) used in treating hypertension | Synonyms: Sectral |
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acetone | (noun) the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics | Synonyms: dimethyl ketone, propanone |
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acetonemia | (noun) an abnormal increase of ketone bodies in the blood as in diabetes mellitus | Synonyms: ketonemia, ketosis |
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acetonic | (adjective) of or relating to acetone | - |
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acetonuria | (noun) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation | Synonyms: ketoaciduria, ketonuria |
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acetophenetidin | (noun) a white crystalline compound used as an analgesic and also as an antipyretic | Synonyms: acetphenetidin, phenacetin |
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acetose | (adjective) tasting or smelling like vinegar | Synonyms: acetous, vinegarish, vinegary |
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acetous | (adjective) tasting or smelling like vinegar | Synonyms: acetose, vinegarish, vinegary |
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achromatous | (adjective) having little or inadequate color | - |
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acromyotonia | (noun) myotonia of the extremities only; causes spastic deformity of the hand or foot | - |
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actinomycetous | (adjective) of or belonging to the actinomycetes | Synonyms: actinomycetal |
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activator | (noun) (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription | - |
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actomyosin | (noun) a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions | - |
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actor | (noun) a theatrical performer | Synonyms: histrion, player, role player, thespian |
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(noun) a person who acts and gets things done | Synonyms: doer, worker |
actuator | (noun) a mechanism that puts something into automatic action | - |
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adaptor | (noun) device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible | Synonyms: adapter |
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adductor | (noun) a muscle that draws a body part toward the median line | Synonyms: adductor muscle |
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adenocarcinomatous | (adjective) of or pertaining to adenocarcinoma | - |
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adenoidectomy | (noun) surgical removal of the adenoids; commonly performed along with tonsillectomy | - |
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adjudicator | (noun) a person who studies and settles conflicts and disputes | - |
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adjudicatory | (adjective) concerned with adjudicating | Synonyms: adjudicative |
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adjuratory | (adjective) earnestly or solemnly entreating | - |
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(adjective) containing a solemn charge or command | - |
adjustor | (noun) one who investigates insurance claims or claims for damages and recommends an effective settlement | Synonyms: adjuster, claim agent, claims adjuster, claims adjustor |
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administrator | (noun) someone who administers a business | Synonyms: decision maker |
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(noun) the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor | - |
(noun) someone who manages a government agency or department | Synonyms: executive |
admonitory | (adjective) serving to warn | Synonyms: cautionary, exemplary, monitory, warning |
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(adjective) expressing reproof or reproach especially as a corrective | Synonyms: admonishing, reproachful, reproving |
adrenalectomy | (noun) surgical removal of one or both adrenal glands | Synonyms: suprarenalectomy |
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adulator | (noun) a person who uses flattery | Synonyms: flatterer |
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adulatory | (adjective) obsequiously complimentary | Synonyms: flattering |
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adulterator | (noun) a changer who lessens the purity or effectiveness of a substance | - |
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(noun) any substance that lessens the purity or effectiveness of a substance | Synonyms: adulterant |
advertorial | (noun) an advertisement that is written and presented in the style of an editorial or journalistic report | - |
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advocator | (noun) a person who pleads for a cause or propounds an idea | Synonyms: advocate, exponent, proponent |
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aerator | (noun) an apparatus for exposing something to the air (as sewage) | - |
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aerogenerator | (noun) generator that extracts usable energy from winds | Synonyms: wind generator, windmill |
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affirmatory | (adjective) affirming or giving assent | Synonyms: affirmative |
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aflatoxin | (noun) a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon | - |
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agalactosis | (noun) a condition in which milk is not secreted in the mother's breasts after her child has been delivered | Synonyms: agalactia |
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agglomerator | (noun) a device that causes material to gather into rounded balls | - |
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aggravator | (noun) an unpleasant person who is annoying or exasperating | Synonyms: annoyance |
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aggregator | (noun) a person who collects things | Synonyms: collector |
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agitator | (noun) one who agitates; a political troublemaker | Synonyms: fomenter |
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agranulocytosis | (noun) an acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytes | Synonyms: agranulosis, granulocytopenia |
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ahistorical | (adjective) unconcerned with or unrelated to history or to historical development or to tradition | - |
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alacritous | (adjective) quick and eager | - |
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alcapton | (noun) an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine | Synonyms: alkapton, homogentisic acid |
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alcaptonuria | (noun) a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine | Synonyms: alkaptonuria |
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aleatory | (adjective) dependent on chance | - |
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alienator | (noun) an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile | - |
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alkapton | (noun) an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine | Synonyms: alcapton, homogentisic acid |
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alkaptonuria | (noun) a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine | Synonyms: alcaptonuria |
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allantoic | (adjective) relating to or characterized by an allantois | - |
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allantoid | (adjective) shaped like a sausage | Synonyms: sausage-shaped |
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allantois | (noun) the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) | - |
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allegretto | (adjective) (of tempo) faster than allegro | - |
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(noun) a musical composition or musical passage to be performed at a somewhat quicker tempo than andante but not as fast as allegro | - |
(noun) a quicker tempo than andante but not as fast as allegro | - |
(adverb) in a moderately quick tempo | - |
alleviator | (noun) remedy that alleviates pain without curing | Synonyms: alleviant, palliative |
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(noun) a therapist who makes suffering more endurable | - |
alleviatory | (adjective) moderating pain or sorrow by making it easier to bear | Synonyms: alleviative, lenitive, mitigative, mitigatory, palliative |
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alligator | (noun) either of two amphibious reptiles related to crocodiles but with shorter broader snouts | Synonyms: gator |
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(noun) leather made from alligator's hide | - |
(verb) crack and acquire the appearance of alligator hide, as from weathering or improper application; of paint and varnishes | - |
alligatored | (adjective) of paint or varnish; having the appearance of alligator hide | Synonyms: cracked |
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alligatorfish | (noun) small very elongate sea poachers | Synonyms: Aspidophoroides monopterygius |
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alliterator | (noun) a speaker or writer who makes use of alliteration | - |
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allocator | (noun) a person with authority to allot or deal out or apportion | Synonyms: distributor |
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alpenstock | (noun) a stout staff with a metal point; used by mountain climbers | - |
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alternator | (noun) an old term for an electric generator that produces alternating current (especially in automobiles) | - |
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alto | (adjective) (of a musical instrument) second highest member of a group | - |
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(adjective) of or being the highest male voice; having a range above that of tenor | Synonyms: countertenor |
(adjective) of or being the lowest female voice | Synonyms: contralto |
(noun) the pitch range of the lowest female voice | - |
(noun) (of a musical instrument) the second highest instrument in a family of musical instruments | - |
(noun) the lowest female singing voice | Synonyms: contralto |
(noun) the highest adult male singing voice | Synonyms: countertenor |
(noun) a singer whose voice lies in the alto clef | - |
altocumulus | (noun) a cumulus cloud at an intermediate altitude of 2 or 3 miles | Synonyms: altocumulus cloud |
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altogether | (noun) informal terms for nakedness | Synonyms: birthday suit, raw |
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(adverb) with everything included or counted | Synonyms: all told, in all |
(adverb) with everything considered (and neglecting details) | Synonyms: all in all, on the whole, tout ensemble |
(adverb) to a complete degree or to the full or entire extent; Completely or entirely | Synonyms: all, completely, entirely, right, totally, whole, wholly |
altoist | (noun) a musician who plays the alto saxophone | Synonyms: alto saxophonist |
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altostratus | (noun) a stratus cloud at an intermediate altitude of 2 or 3 miles | Synonyms: altostratus cloud |
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amalgamator | (noun) a businessman who arranges an amalgamation of two or more commercial companies | - |
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amaretto | (noun) an Italian almond liqueur | - |
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amatory | (adjective) expressive of or exciting sexual love or romance | Synonyms: amorous, romantic |
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amboceptor | (noun) an immune body formed in the blood during infection or immunization that serves to link the complement to the antigen. | - |
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ambulatory | (adjective) relating to or adapted for walking | - |
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(adjective) able to walk about | Synonyms: ambulant |
(noun) a covered walkway (as in a cloister) | - |
ambystomid | (noun) small to moderate-sized terrestrial or semiaquatic New World salamander | Synonyms: ambystomid salamander |
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amelioratory | (adjective) tending to ameliorate | Synonyms: ameliorating, ameliorative, meliorative |
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amendatory | (adjective) effecting amendment | - |
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amitosis | (noun) the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes | - |
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amitotic | (adjective) pertaining to a simple method of cell division | - |
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